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Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2012 | Dec. 31, 2011 | Jun. 30, 2011 | Dec. 31, 2010 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 Supply Agreement [Member] | Sep. 30, 2011 Supply Agreement [Member] | Jun. 30, 2012 Purchased Technology [Member] | Sep. 30, 2011 Purchased Technology [Member] | Sep. 30, 2011 Non-compete agreements [Member] | Jun. 30, 2012 Non-compete agreements [Member] | Jun. 30, 2012 Trade names [Member] | Sep. 30, 2011 Trade names [Member]
Intangible assets balances, subject to amortization |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Carrying Value, Beginning balance |  | $ 34,595 |  |  | $ 34,595 |  | $ 17,580 | $ 17,580 | $ 11,747 | $ 10,272 | $ 5,365 | $ 4,170 | $ 1,098 | $ 5,437
Amortization, Gross Carrying Value |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition |  |  |  |  |  |  |  |  |  | (1,500) |  |  |  |
Foreign currency translation, Gross Carrying Value |  |  |  |  |  |  |  |  | 9 | (25) | (35) |  |  | (124)
Impairment - Gross Carrying Value |  |  |  |  |  |  |  |  |  |  | (1,160) |  |  | (4,215)
Gross Carrying Value, Ending balance | 34,604 |  |  |  | 34,604 |  | 17,580 | 17,580 | 11,756 | 11,747 | 4,170 | 4,170 | 1,098 | 1,098
Accumulated Amortization, Beginning Balance |  | (18,748) |  |  | (18,748) |  | (6,052) | (4,881) | (7,759) | (6,318) | (3,666) | (4,170) | (767) | (938)
Amortization of intangible assets | (704) |  | (1,237) |  | (2,111) | (3,658) | (879) | (1,171) | (1,404) | (1,689) | (920) |  | (147) | (583)
Foreign currency translation Amortization |  |  |  |  |  |  |  |  | 228 | 248 |  |  | 95 | (1)
Impairment Amortization |  |  |  |  |  |  |  |  |  |  | 416 |  |  | 755
Accumulated Amortization, Ending Balance | (20,855) |  |  |  | (20,855) |  | (6,931) | (6,052) | (8,935) | (7,759) | (4,170) | (4,170) | (819) | (767)
Net Carrying value, beginning balance |  | 15,847 |  |  | 15,847 |  | 11,528 | 12,699 | 3,988 | 3,954 | 1,699 |  | 331 | 4,499
Amortization Carrying Value |  |  |  |  |  |  | 879 | 1,171 | 1,404 | 1,689 | 920 |  | 147 | 583
Foreign currency translation Net Carrying Value |  |  |  |  |  |  |  |  | 237 | 223 | (35) |  | 95 | (125)
Impairment - Net Carrying Value |  |  |  |  |  |  |  |  |  |  | (744) |  |  | (3,460)
Net Carrying value, ending balance | $ 13,749 |  |  |  | $ 13,749 |  | $ 10,649 | $ 11,528 | $ 2,821 | $ 3,988 |  |  | $ 279 | $ 331

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